Solid Gold Gnarly Math
A Windows-compatible CD-ROM for kids, homeschoolers, parents, and teachers, designed to teach algebra, geometry, numbers, trigonometry, topology, and probability. It contains games, magic tricks, and other fun things, along with a Math Lab where kids
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Solving the Quintic with Mathematica - Wolfram, Inc.
Solving the Quintic - The impossibility of solving general quintics in radicals, Tschirnhaus's transformation, Klein's approach to the quintic, Solutions based on series, Solutions based on differential equations, Equations of higher degree. Steps to
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The Soma Cube Puzzle - Modvix
Purchase the Soma Cube. Piet Hein, a Danish poet and inventor, visualized the set of all irregular shapes formed by no more than 4 cubes, each of the same size, and realized that the seven simplest irregular combinations of cubes can form a larger Soma
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Sommer Cube - Michael Sommer
The faces of the modular Sommer Cube (S3) feed into twisted conduits that comprise a three-dimensional, tunnelling maze. The website provides example arrangements and construction questions such as "Given that a ball must exit at the lowest S3 level and
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Spidron System - Daniel Erdely
Erdely calls a planar, plane-filling object a Spidron. Upon three-dimensional deformation subject to specific constraints, the planar system generates a regular, dynamic, geometrical construction. Erdely's experiments have led to the idea of creating
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Stella: Polyhedron Navigator - Robert Webb
"Small Stella" is a program for viewing polyhedra and printing their nets so you can build your own. It has over 150 built-in models, plus their duals. Models include Platonic solids, Archimedean, Kepler-Poinsot, Johnson solids, "Near Misses," and Stewart
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Stochastic Lab - Denis Kozyr
Shareware and freeware math tools include the Smart Monte Carlo Excel add-in, the thirteen functions of which generate random numbers with a certain distribution using the Monte Carlo method; Archim, which graphs functions based on explicit parametric
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The Storybook of Geometry - ThinkQuest 1996
Learn the basics of geometry and see how they relate to real world situations. Explore and read stories that help to uncover the mysteries of geometry. Story problems (with answers): The Great Space Ace; The Pharoah's Pyramid; The Ice Cream Cone; Filling
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A Stranger from Spaceland - Ivars Peterson (MathTrek)
An essay about Flatland, Edwin A. Abbott's 1884 "doorway to the fourth dimension and beyond for many explorers of geometry," and "a sharply delineated satire that reflects widely debated social issues in Victorian Britain," particularly women's rights.
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Student of Hyperspace - Eric Swab
A series of computer generated projections of analogs of the platonic solids in 4-space; a projection of a regular polytope that exists only in 4-space. Pages: Hypercube analog of the cube with sections and envelopes; Simplex analog of the tetrahedron
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Success for All
Curriculum driven by co-operative learning that focuses on individual pupil accountability, common goals, and recognition of team success, all with the aim of getting learners "to engage in discussing and explaining their ideas, challenging and teaching
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Surfaces Beyond the Third Dimension - Thomas Banchoff
A site that documents an art exhibit hosted by the Providence, Rhode Island Art Club in 1996, featuring computer-generated artwork designed by Tom Banchoff in collaboration with Davide Cervone (now at Union College) and student associates at Brown University.
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Synergetics on the Web - Kirby Urner, 4D Solutions
R. Buckminster Fuller's "explorations in the geometry of thinking" is detailed in two thick volumes, Synergetics and Synergetics 2. Synergetics thoroughly permeates the rest of Fuller's writings as well. The invention for which Fuller is most famous,
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SysteMATHics - Sigurd Andersen
Based on a discipline started by John G. Bennett, systematics is an attempt to understand the meaning implicit in number. The three areas of mathematical exploration covered are triadic numbers; n-grams, number patterns expressed graphically using the
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Teacher Exchange - the Math Forum
Web units, lessons, and activities organized by NCTM Standards and grade band level. Created by Math Forum staff members, educators, and collaborations between the two. Teachers may contribute their own lessons and ideas as well.
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Teachers' Lab - Annenberg Media
Labs based on professional development series and workshops broadcast on the Annenberg/CPB Math and Science Project Channel. Each combines online activities with background information and interactive polls or worksheets for use in classrooms, with links
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Teaching Geometry with Google SketchUp - Bonnie Roskes
3DVinci's resources for teaching geometry with this 3D modeling application include projects of the month, videos, teacher resources and guide, 2D and 3D project books, a blog, geometry tips and projects, and much more. Google originally created SketchUp
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Teaching - Peter Alfeld, University of Utah
A page of teaching resources intended primarily for Alfeld's University of Utah students, but useful to others as well. Includes a passage from Richard Feynman on teaching; Understanding mathematics - a study guide; current and past courses (Analysis
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Tensegrity Structures - Paul Flavin
"Compression and Tension are good; Torque's a Killer. Plato, Fuller and the three little pigs." "Cubes (constructed with beams) and houses can and do collapse when a sufficient horizontal (shearing) force is applied above the foundation. The walls act
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ThinkQuest
An international contest designed to encourage students from different schools and different backgrounds to work together in teams toward creating valuable educational tools on the Internet while enhancing their ability to communicate and cooperate in
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Tomoko Fuse Origami Quilts - Jeff Kerwood
These origami quilts were designed and made by Jeff Kerwood, using the modules developed by Tomoko Fuse, a Japanese origami artist universally acknowledged as the master of modular or unit origami. In modular origami, the model is built up from multiple
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Turn of the Screw - Ivars Peterson (MathTrek)
Mathematician Chris Rorres of Drexel University in Philadelphia has taken a close look at Vitruvius's specifications for constructing an Archimedes screw... Recent years have seen a revival of interest in the Archimedes screw, particularly for its proven,
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Tutor World Online
This online tutoring service sells homework help and SAT preparation packages. The Tutor World Online journal posts free primers in math.
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